A volcano in Russia's far east on Wednesday spewed ash several kilometers into the sky, authorities said, putting on a ...

Concerns about the Yellowstone National Park supervolcano erupting have not faded, despite scientific evidence suggesting such an event is unlikely in the near future. Recent research points to a ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...

Far beneath the forests and hot springs of the American West, the continent’s largest active volcanic system is rumbling in ways scientists are only now beginning to fully resolve. New seismic ...